| Name | Thalictrum mirabile Small |
| Authorship | Small |
| Rank | Species |
| Placed in | Thalictrum Linnaeus |
| Citation | 1900 Bull. Torrey Bot. Club 27(5): 277 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Thalictrum mirabile Small |
| Identification made in | [no date] (3), 1943 (2) |